/Engine/Source/Runtime/Engine/Classes/Engine/BrushBuilder.h
Tips for writing brush builders:
class UBrushBuilder : public [UObject](API\Runtime\CoreUObject\UObject\UObject)
FString
BitmapFilename
FName
Layer
uint32: 1
MergeCoplanars
uint32: 1
NotifyBadParams
If false, disabled the bad param notifications
TArray< struct ...
Polys
FString
ToolTip
LocalizedFStringthat will be displayed as the name of this brush builder in the editor
TArray< FVector...
Vertices